Daikin F-Series User manual

SiEN12-710A

Service

Manual

Inverter Multi

F-Series

[Applied Models]

!Inverter Multi: Cooling only

!Inverter Multi: Heat Pump

SiEN12-710A

Table of Contents i

Inverter Multi

F-Series

!Cooling Only

Outdoor Unit Indoor Unit

2MKS40FV1B FTKS25DVM FDKS25CAVMB

FTKS35DVM FDKS35CAVMB

FDKS25EAVMB

FDKS35EAVMB

!Heat Pump

Outdoor Unit Indoor Unit

2MXS50FV1B FTXS25EVMA FDXS25CVMA

FTXS35EVMA FDXS35CVMA

CDXS25EAVMA

CDXS35EAVMA

SiEN12-710A

ii Table of Contents

1. Introduction .............................................................................................v

1.1 Safety Cautions ........................................................................................v

1.2 Used Icons .............................................................................................. ix

Part 1 List of Functions ................................................................ 1

1. Cooling Only............................................................................................2

2. Heat Pump ..............................................................................................4

Part 2 Specifications .................................................................... 7

1. Cooling Only............................................................................................8

1.1 Indoor Units ..............................................................................................8

1.2 Outdoor Units .........................................................................................10

2. Heat Pump ............................................................................................11

2.1 Indoor Units ............................................................................................11

2.2 Outdoor Units .........................................................................................13

Part 3 Printed Circuit Board Connector Wiring Diagram ........... 15

1. Printed Circuit Board Connector Wiring Diagram..................................16

1.1 Wall Mounted Type ................................................................................16

1.2 Duct Connected Type.............................................................................18

1.3 Outdoor Unit ...........................................................................................20

Part 4 Function and Control........................................................ 23

1. Main Functions......................................................................................24

1.1 Frequency Principle................................................................................24

1.2 Power-Airflow Dual Flaps, Wide-Angle Louvers and Auto-Swing ..........26

1.3 Fan Speed Control for Indoor Units........................................................27

1.4 Programme Dry Function .......................................................................28

1.5 Automatic Operation...............................................................................29

1.6 Thermostat Control.................................................................................30

1.7 Night Set Mode.......................................................................................31

1.8 ECONO Mode ........................................................................................32

1.9 INTELLIGENT EYE ................................................................................33

1.10 HOME LEAVE Operation .......................................................................35

1.11 Inverter POWERFUL Operation .............................................................36

1.12 Other Functions......................................................................................37

1.13 Function of Thermistor ...........................................................................39

2. Control Specification .............................................................................42

2.1 Mode Hierarchy ......................................................................................42

2.2 Frequency Control..................................................................................43

2.3 Controls at Mode Changing / Start-up....................................................46

2.4 Discharge Pipe Temperature Control.....................................................48

2.5 Input Current Control..............................................................................48

2.6 Freeze-up Protection Control .................................................................49

2.7 Heating Peak-cut Control .......................................................................49

2.8 Fan Control.............................................................................................50

2.9 Liquid Compression Protection Function 2.............................................50

2.10 Defrost Control .......................................................................................51

2.11 Electronic Expansion Valve Control .......................................................52

SiEN12-710A

Table of Contents iii

2.12 Malfunctions ...........................................................................................56

2.13 Forced Operation Mode .........................................................................57

2.14 Additional Function.................................................................................58

Part 5 Operation Manual ............................................................. 59

1. System Configuration............................................................................60

1.1 Operation Instructions ............................................................................60

2. Instruction..............................................................................................61

2.1 Manual Contents and Reference Page ..................................................61

2.2 Safety Precautions .................................................................................62

2.3 Names of Parts.......................................................................................64

2.4 Preparation Before Operation ................................................................70

2.5 AUTO·DRY·COOL·HEAT·FAN Operation ..............................................73

2.6 Adjusting the Air Flow Direction .............................................................75

2.7 POWERFUL Operation ..........................................................................77

2.8 OUTDOOR UNIT QUIET Operation.......................................................78

2.9 ECONO Operation .................................................................................79

2.10 HOME LEAVE Operation .......................................................................80

2.11 MOLD PROOF Operation ......................................................................82

2.12 INTELLIGENT EYE Operation ...............................................................83

2.13 TIMER Operation ...................................................................................85

2.14 Note for Multi System .............................................................................87

2.15 Care and Cleaning .................................................................................89

2.16 Troubleshooting......................................................................................96

Part 6 Service Diagnosis........................................................... 101

1. Caution for Diagnosis..........................................................................102

2. Problem Symptoms and Measures .....................................................104

3. Service Check Function ......................................................................105

3.1 Check Method 1 ...................................................................................105

3.2 Check Method 2 ...................................................................................106

4. Troubleshooting ..................................................................................108

4.1 Error Codes and Description ................................................................108

4.2 Indoor Unit PCB Abnormality ...............................................................109

4.3 Freeze-up Protection Control or High Pressure Control.......................110

4.4 Fan Motor or Related Abnormality .......................................................112

4.5 Thermistor or Related Abnormality (Indoor Unit)..................................115

4.6 Front Panel Open / Close Fault............................................................116

4.7 Freeze-up Protection Control ...............................................................117

4.8 OL Activation (Compressor Overload) .................................................119

4.9 Compressor Lock .................................................................................120

4.10 DC Fan Lock ........................................................................................121

4.11 Input Over Current Detection ...............................................................122

4.12 Discharge Pipe Temperature Control...................................................124

4.13 High Pressure Control in Cooling .........................................................125

4.14 Compressor Sensor System Abnormality ............................................127

4.15 Position Sensor Abnormality ................................................................128

4.16 DC Voltage / DC Current Sensor Abnormality .....................................130

4.17 Thermistor or Related Abnormality (Outdoor Unit)...............................131

4.18 Electrical Box Temperature Rise..........................................................133

SiEN12-710A

iv Table of Contents

4.19 Radiation Fin Temperature Rise ..........................................................135

4.20 Output Over Current Detection.............................................................137

4.21 Insufficient Gas.....................................................................................139

4.22 Over-voltage Detection / Low-voltage Detection ..................................141

4.23 Anti-icing Function in Other Rooms / Unspecified Voltage

(between Indoor and Outdoor Units)....................................................142

4.24 Outdoor Unit PCB Abnormality or

Signal Transmission Circuit Abnormality..............................................143

5. Check ..................................................................................................146

5.1 How to Check .......................................................................................146

Part 7 Removal Procedure ........................................................ 155

1. Outdoor Unit........................................................................................156

1.1 Removal of the Panels and Plates .......................................................156

1.2 Removal of the Electrical Box ..............................................................158

1.3 Removal of the PCB.............................................................................163

1.4 Removal of the Sound Blanket.............................................................168

1.5 Removal of the Propeller Fan / Fan Motor ...........................................170

1.6 Removal of the Thermistors .................................................................173

1.7 Removal of the Compressor.................................................................175

1.8 Removal of the Four Way Valve • Electronic Expansion Valve............177

Part 8 Others ............................................................................. 179

1. Others .................................................................................................180

1.1 Test Run from the Remote Control ......................................................180

1.2 Jumper Settings ...................................................................................181

1.3 Application of Silicon Grease to a Power Transistor and

a Diode Bridge......................................................................................182

Part 9 Appendix......................................................................... 183

1. Piping Diagrams..................................................................................184

1.1 Indoor Units ..........................................................................................184

1.2 Outdoor Units .......................................................................................185

2. Wiring Diagrams..................................................................................186

2.1 Indoor Units ..........................................................................................186

2.2 Outdoor Units .......................................................................................187

Index ............................................................................................. i

Drawings & Flow Charts ................................................................ v

SiEN12-710A Introduction

v

1. Introduction

1.1 Safety Cautions

Cautions and

Warnings

"Be sure to read the following safety cautions before conducting repair work.

"The caution items are classified into “ Warning” and “ Caution”. The “ Warning”

items are especially important since they can lead to death or serious injury if they are not

followed closely. The “ Caution” items can also lead to serious accidents under some

conditions if they are not followed. Therefore, be sure to observe all the safety caution items

described below.

"About the pictograms

This symbol indicates the item for which caution must be exercised.

The pictogram shows the item to which attention must be paid.

This symbol indicates the prohibited action.

The prohibited item or action is shown in the illustration or near the symbol.

This symbol indicates the action that must be taken, or the instruction.

The instruction is shown in the illustration or near the symbol.

"After the repair work is complete, be sure to conduct a test operation to ensure that the

equipment operates normally, and explain the cautions for operating the product to the

customer.

1.1.1 Cautions Regarding Safety of Workers

Warning

Be sure to disconnect the power cable plug from the plug socket before

disassembling the equipment for repair.

Working on the equipment that is connected to the power supply may cause an

electrical shook.

If it is necessary to supply power to the equipment to conduct the repair or

inspecting the circuits, do not touch any electrically charged sections of the

equipment.

If the refrigerant gas is discharged during the repair work, do not touch the

discharged refrigerant gas.

The refrigerant gas may cause frostbite.

When disconnecting the suction or discharge pipe of the compressor at the

welded section, evacuate the refrigerant gas completely at a well-ventilated

place first.

If there is a gas remaining inside the compressor, the refrigerant gas or

refrigerating machine oil discharges when the pipe is disconnected, and it may

cause injury.

If the refrigerant gas leaks during the repair work, ventilate the area. The

refrigerant gas may generate toxic gases when it contacts flames.

The step-up capacitor supplies high-voltage electricity to the electrical

components of the outdoor unit.

Be sure to discharge the capacitor completely before conducting repair work.

A charged capacitor may cause an electrical shock.

Do not start or stop the air conditioner operation by plugging or unplugging the

power cable plug.

Plugging or unplugging the power cable plug to operate the equipment may

cause an electrical shock or fire.

Introduction SiEN12-710A

vi

Be sure to wear a safety helmet, gloves, and a safety belt when working at a

high place (more than 2m). Insufficient safety measures may cause a fall

accident.

In case of R410A refrigerant models, be sure to use pipes, flare nuts and tools

for the exclusive use of the R410A refrigerant.

The use of materials for R22 refrigerant models may cause a serious accident

such as a damage of refrigerant cycle as well as an equipment failure.

Warning

Caution

Do not repair the electrical components with wet hands.

Working on the equipment with wet hands may cause an electrical shock.

Do not clean the air conditioner by splashing water.

Washing the unit with water may cause an electrical shock.

Be sure to provide the grounding when repairing the equipment in a humid or

wet place, to avoid electrical shocks.

Be sure to turn off the power switch and unplug the power cable when cleaning

the equipment.

The internal fan rotates at a high speed, and cause injury.

Be sure to conduct repair work with appropriate tools.

The use of inappropriate tools may cause injury.

Be sure to check that the refrigerating cycle section has cooled down enough

before conducting repair work.

Working on the unit when the refrigerating cycle section is hot may cause

burns.

Use the welder in a well-ventilated place.

Using the welder in an enclosed room may cause oxygen deficiency.

SiEN12-710A Introduction

vii

1.1.2 Cautions Regarding Safety of Users

Warning

Be sure to use parts listed in the service parts list of the applicable model and

appropriate tools to conduct repair work. Never attempt to modify the

equipment.

The use of inappropriate parts or tools may cause an electrical shock,

excessive heat generation or fire.

If the power cable and lead wires have scratches or deteriorated, be sure to

replace them.

Damaged cable and wires may cause an electrical shock, excessive heat

generation or fire.

Do not use a joined power cable or extension cable, or share the same power

outlet with other electrical appliances, since it may cause an electrical shock,

excessive heat generation or fire.

Be sure to use an exclusive power circuit for the equipment, and follow the local

technical standards related to the electrical equipment, the internal wiring

regulations, and the instruction manual for installation when conducting

electrical work.

Insufficient power circuit capacity and improper electrical work may cause an

electrical shock or fire.

Be sure to use the specified cable for wiring between the indoor and outdoor

units. Make the connections securely and route the cable properly so that there

is no force pulling the cable at the connection terminals.

Improper connections may cause excessive heat generation or fire.

When wiring between the indoor and outdoor units, make sure that the terminal

cover does not lift off or dismount because of the cable.

If the cover is not mounted properly, the terminal connection section may cause

an electrical shock, excessive heat generation or fire.

Do not damage or modify the power cable.

Damaged or modified power cable may cause an electrical shock or fire.

Placing heavy items on the power cable, and heating or pulling the power cable

may damage the cable.

Do not mix air or gas other than the specified refrigerant (R410A / R22) in the

refrigerant system.

If air enters the refrigerating system, an excessively high pressure results,

causing equipment damage and injury.

If the refrigerant gas leaks, be sure to locate the leaking point and repair it

before charging the refrigerant. After charging refrigerant, make sure that there

is no refrigerant leak.

If the leaking point cannot be located and the repair work must be stopped, be

sure to perform pump-down and close the service valve, to prevent the

refrigerant gas from leaking into the room. The refrigerant gas itself is

harmless, but it may generate toxic gases when it contacts flames, such as fan

and other heaters, stoves and ranges.

When relocating the equipment, make sure that the new installation site has

sufficient strength to withstand the weight of the equipment.

If the installation site does not have sufficient strength and if the installation

work is not conducted securely, the equipment may fall and cause injury.

Introduction SiEN12-710A

viii

Check to make sure that the power cable plug is not dirty or loose, then insert

the plug into a power outlet securely.

If the plug has dust or loose connection, it may cause an electrical shock or fire.

Be sure to install the product correctly by using the provided standard

installation frame.

Incorrect use of the installation frame and improper installation may cause the

equipment to fall, resulting in injury.

For unitary type

only

Be sure to install the product securely in the installation frame mounted on the

window frame.

If the unit is not securely mounted, it may fall and cause injury.

For unitary type

only

When replacing the coin battery in the remote control, be sure to disposed of

the old battery to prevent children from swallowing it.

If a child swallows the coin battery, see a doctor immediately.

Warning

Caution

Installation of a leakage breaker is necessary in some cases depending on the

conditions of the installation site, to prevent electrical shocks.

Do not install the equipment in a place where there is a possibility of

combustible gas leaks.

If the combustible gas leaks and remains around the unit, it may cause a fire.

Check to see if the parts and wires are mounted and connected properly, and

if the connections at the soldered or crimped terminals are secure.

Improper installation and connections may cause excessive heat generation,

fire or an electrical shock.

If the installation platform or frame has corroded, replace it.

Corroded installation platform or frame may cause the unit to fall, resulting in

injury.

Check the grounding, and repair it if the equipment is not properly grounded.

Improper grounding may cause an electrical shock.

SiEN12-710A Introduction

ix

1.2 Used Icons

Icons are used to attract the attention of the reader to specific information. The meaning of each

icon is described in the table below:

Be sure to measure the insulation resistance after the repair, and make sure

that the resistance is 1 MΩ or higher.

Faulty insulation may cause an electrical shock.

Be sure to check the drainage of the indoor unit after the repair.

Faulty drainage may cause the water to enter the room and wet the furniture

and floor.

Do not tilt the unit when removing it.

The water inside the unit may spill and wet the furniture and floor.

Be sure to install the packing and seal on the installation frame properly.

If the packing and seal are not installed properly, water may enter the room and

wet the furniture and floor.

For unitary type

only

Caution

Icon Type of

Information

Description

Note:

Note A “note” provides information that is not indispensable, but may

nevertheless be valuable to the reader, such as tips and tricks.

Caution

Caution A “caution” is used when there is danger that the reader, through

incorrect manipulation, may damage equipment, loose data, get

an unexpected result or has to restart (part of) a procedure.

Warning

Warning A “warning” is used when there is danger of personal injury.

Reference A “reference” guides the reader to other places in this binder or

in this manual, where he/she will find additional information on a

specific topic.

Introduction SiEN12-710A

x

SiEN12-710A

List of Functions 1

Part 1

List of Functions

1. Cooling Only............................................................................................2

2. Heat Pump ..............................................................................................4

Cooling Only SiEN12-710A

2List of Functions

1. Cooling Only

Category Functions

FTKS25/35DVM

FDKS25/35CAVMB

Category Functions

FTKS25/35DVM

FDKS25/35CAVMB

Basic

Function

Inverter (with Inverter Power Control) ##Health &

Clean

Air Purifying Filter — —

Operation Limit for Cooling (°CDB) ——

Photocatalytic Deodorizing Filter — —

Air Purifying Filter with Photocatalytic

Deodorizing Function ——

Operation Limit for Heating (°CWB) — — Titanium Apatite Photocatalytic

Air-Purifying Filter #—

PAM Control — —

Compressor Oval Scroll Compressor — — Mold Proof Air Filter ##

Swing Compressor — — Wipe-clean Flat Panel #—

Rotary Compressor — — Washable Grille — —

Reluctance DC Motor — — Mold Proof Operation #—

Comfortable

Airflow

Power-Airflow Flap — — Heating Dry Operation — —

Power-Airflow Dual Flaps #— Good-Sleep Cooling Operation — —

Power-Airflow Diffuser — — Timer 24-Hour On/Off Timer ##

Wide-Angle Louvers #— Night Set Mode ##

Vertical Auto-Swing (Up and Down) #— Worry Free

“Reliability &

Durability”

Auto-Restart (after Power Failure) ##

Horizontal Auto-Swing (Right and Left) — — Self-Diagnosis (Digital, LED) Display ##

3-D Airflow — — Wiring Error Check — —

Comfort Airflow Mode — — Anticorrosion Treatment of Outdoor

Heat Exchanger ——

3-Step Airflow (H/P Only) — —

Comfort

Control

Auto Fan Speed ##Flexibility Multi-Split / Split Type Compatible

Indoor Unit ##

Indoor Unit Quiet Operation ##

Night Quiet Mode (Automatic) — — Flexible Voltage Correspondence ##

Outdoor Unit Quiet Operation (Manual) — — High Ceiling Application — —

INTELLIGENT EYE #— Chargeless — —

Quick Warming Function — — Either Side Drain (Right or Left) #—

Hot-Start Function — — Power Selection — —

Automatic Defrosting — — Remote

Control 5-Rooms Centralized Controller

(Option) ##

Operation Automatic Operation — —

Programme Dry Function ## Remote Control Adapter (Normal

Open-Pulse Contact) (Option) ##

Fan Only ##

Lifestyle

Convenience

New POWERFUL Operation

(Non-Inverter) —— Remote Control Adapter (Normal Open

Contact) (Option) ##

Inverter POWERFUL Operation ##

Priority-Room Setting — — DIII-NET Compatible (Adapter)

(Option) ##

Cooling / Heating Mode Lock — — Remote

Control

Wireless ##

HOME LEAVE Operation — #Wired — —

ECONO Mode #—

Indoor Unit On/Off Switch ##

Signal Reception Indicator ##

Temperature Display — —

Another Room Operation — —

Note: # : Holding Functions

— : No Functions

SiEN12-710A Cooling Only

List of Functions 3

Category Functions

FDKS25/35EAVMB

2MKS40FV1B

Category Functions

FDKS25/35EAVMB

2MKS40FV1B

Basic

Function

Inverter (with Inverter Power Control) ##Health &

Clean Air Purifying Filter — —

Operation Limit for Cooling (°CDB) — 10

~46

Operation Limit for Heating (°CWB) — — Photocatalytic Deodorizing Filter — —

PAM Control — #Air Purifying Filter with Photocatalytic

Deodorizing Function ——

Compressor Oval Scroll Compressor — — Titanium Apatite Photocatalytic

Air-Purifying Filter ——

Swing Compressor — #

Rotary Compressor — — Mold Proof Air Filter #—

Reluctance DC Motor — #Wipe-clean Flat Panel — —

Comfortable

Airflow

Power-Airflow Flap — — Washable Grille — —

Power-Airflow Dual Flaps — — Mold Proof Operation — —

Power-Airflow Diffuser — — Heating Dry Operation — —

Wide-Angle Louvers — — Good-Sleep Cooling Operation — —

Vertical Auto-Swing (Up and Down) — — Timer 24-Hour On/Off Timer #—

Horizontal Auto-Swing (Right and Left) — — Night Set Mode #—

3-D Airflow — — Worry Free

“Reliability &

Durability”

Auto-Restart (after Power Failure) #—

Comfort Airflow Mode — — Self-Diagnosis (Digital, LED) Display ##

H

3-Step Airflow (H/P Only) — — Wiring Error Check — —

Comfort

Control

Auto Fan Speed #—Anticorrosion Treatment of Outdoor

Heat Exchanger —#

Indoor Unit Quiet Operation #—

Night Quiet Mode (Automatic) — — Flexibility Multi-Split / Split Type Compatible

Indoor Unit #—

Outdoor Unit Quiet Operation (Manual) — #

INTELLIGENT EYE — — Flexible Voltage Correspondence #—

Quick Warming Function — — High Ceiling Application — —

Hot-Start Function — — Chargeless — 20m

Automatic Defrosting — — Either Side Drain (Right or Left) — —

Operation Automatic Operation — — Power Selection — #

Programme Dry Function #—Remote

Control

5-Rooms Centralized Controller

(Option) #—

Fan Only #—Remote Control Adapter

(Normal Open-Pulse Contact) (Option) #—

Lifestyle

Convenience

New POWERFUL Operation

(Non-Inverter) ——

Inverter POWERFUL Operation #—Remote Control Adapter

(Normal Open Contact) (Option) #—

Priority-Room Setting — —

Cooling / Heating Mode Lock — — DIII-NET Compatible (Adapter)

(Option) #—

HOME LEAVE Operation #— Remote

Control

Wireless #—

ECONO Mode — #Wired — —

Indoor Unit On/Off Switch #—

Signal Reception Indicator #—

Temperature Display — —

Another Room Operation — —

Note: # : Holding Functions

— : No Functions

H : Displayed on remote control of Indoor Unit

Heat Pump SiEN12-710A

4List of Functions

2. Heat Pump

Category Functions

FTXS25/35EVMA

FDXS25/35CVMA

Category Functions

FTXS25/35EVMA

FDXS25/35CVMA

Basic

Function Inverter (with Inverter Power Control) ##

Health &

Clean Air Purifying Filter — —

Operation Limit for Cooling (°CDB) ——

Photocatalytic Deodorizing Filter — —

Air Purifying Filter with Photocatalytic

Deodorizing Function ——

Operation Limit for Heating (°CWB) — — Titanium Apatite Photocatalytic

Air-Purifying Filter #—

PAM Control — —

Compressor Oval Scroll Compressor — — Mold Proof Air Filter ##

Swing Compressor — — Wipe-clean Flat Panel #—

Rotary Compressor — — Washable Grille — —

Reluctance DC Motor — — Mold Proof Operation #—

Comfortable

Airflow

Power-Airflow Flap — — Heating Dry Operation — —

Power-Airflow Dual Flaps #— Good-Sleep Cooling Operation — —

Power-Airflow Diffuser — — Timer 24-Hour On/Off Timer ##

Wide-Angle Louvers #— Night Set Mode ##

Vertical Auto-Swing (Up and Down) #— Worry Free

“Reliability &

Durability”

Auto-Restart (after Power Failure) ##

Horizontal Auto-Swing (Right and Left) — — Self-Diagnosis (Digital, LED) Display ##

3-D Airflow — — Wiring Error Check — —

Comfort Airflow Mode — — Anticorrosion Treatment of Outdoor

Heat Exchanger ——

3-Step Airflow (H/P Only) — —

Comfort

Control

Auto Fan Speed ##Flexibility Multi-Split / Split Type Compatible

Indoor Unit ##

Indoor Unit Quiet Operation ##

Night Quiet Mode (Automatic) — — Flexible Voltage Correspondence ##

Outdoor Unit Quiet Operation (Manual) — — High Ceiling Application — —

INTELLIGENT EYE #— Chargeless — —

Quick Warming Function — — Either Side Drain (Right or Left) #—

Hot-Start Function — — Power Selection — —

Automatic Defrosting — — Remote

Control 5-Rooms Centralized Controller

(Option) ##

Operation Automatic Operation — —

Programme Dry Function ## Remote Control Adapter (Normal

Open-Pulse Contact) (Option) ##

Fan Only ##

Lifestyle

Convenience

New POWERFUL Operation

(Non-Inverter) —— Remote Control Adapter (Normal Open

Contact) (Option) ##

Inverter POWERFUL Operation ##

Priority-Room Setting — — DIII-NET Compatible (Adapter)

(Option) ##

Cooling / Heating Mode Lock — — Remote

Control

Wireless ##

HOME LEAVE Operation — #Wired — —

ECONO Mode #—

Indoor Unit On/Off Switch ##

Signal Reception Indicator ##

Temperature Display — —

Another Room Operation — —

Note: # : Holding Functions

— : No Functions

SiEN12-710A Heat Pump

List of Functions 5

Category Functions

CDXS25/35EAVMA

2MXS50FV1B

Category Functions

CDXS25/35EAVMA

2MXS50FV1B

Basic

Function

Inverter (with Inverter Power Control) ##Health &

Clean Air Purifying Filter — —

Operation Limit for Cooling (°CDB) — 10

~46

Operation Limit for Heating (°CWB) — –15

~

15.5

Photocatalytic Deodorizing Filter — —

PAM Control — #Air Purifying Filter with Photocatalytic

Deodorizing Function ——

Compressor Oval Scroll Compressor — — Titanium Apatite Photocatalytic

Air-Purifying Filter ——

Swing Compressor — #

Rotary Compressor — — Mold Proof Air Filter #—

Reluctance DC Motor — #Wipe-clean Flat Panel — —

Comfortable

Airflow

Power-Airflow Flap — — Washable Grille — —

Power-Airflow Dual Flaps — — Mold Proof Operation — —

Power-Airflow Diffuser — — Heating Dry Operation — —

Wide-Angle Louvers — — Good-Sleep Cooling Operation — —

Vertical Auto-Swing (Up and Down) — — Timer 24-Hour On/Off Timer #—

Horizontal Auto-Swing (Right and Left) — — Night Set Mode #—

3-D Airflow — — Worry Free

“Reliability &

Durability”

Auto-Restart (after Power Failure) #—

Comfort Airflow Mode — — Self-Diagnosis (Digital, LED) Display ##

H

3-Step Airflow (H/P Only) — — Wiring Error Check — —

Comfort

Control

Auto Fan Speed #—Anticorrosion Treatment of Outdoor

Heat Exchanger —#

Indoor Unit Quiet Operation #—

Night Quiet Mode (Automatic) — — Flexibility Multi-Split / Split Type Compatible

Indoor Unit ——

Outdoor Unit Quiet Operation (Manual) — #

INTELLIGENT EYE — — Flexible Voltage Correspondence #—

Quick Warming Function — #High Ceiling Application — —

Hot-Start Function — — Chargeless — 20m

Automatic Defrosting — #Either Side Drain (Right or Left) — —

Operation Automatic Operation — — Power Selection — —

Programme Dry Function #—Remote

Control

5-Rooms Centralized Controller

(Option) #—

Fan Only #—Remote Control Adapter

(Normal Open-Pulse Contact) (Option) #—

Lifestyle

Convenience

New POWERFUL Operation

(Non-Inverter) ——

Inverter POWERFUL Operation #—Remote Control Adapter

(Normal Open Contact) (Option) #—

Priority-Room Setting — —

Cooling / Heating Mode Lock — — DIII-NET Compatible (Adapter)

(Option) #—

HOME LEAVE Operation #— Remote

Control

Wireless #—

ECONO Mode — — Wired — —

Indoor Unit On/Off Switch #—

Signal Reception Indicator #—

Temperature Display — —

Another Room Operation — —

Note: # : Holding Functions

— : No Functions

H : Displayed on remote control of Indoor Unit

Heat Pump SiEN12-710A

6List of Functions

SiEN12-710A

Specifications 7

Part 2

Specifications

1. Cooling Only............................................................................................8

1.1 Indoor Units ..............................................................................................8

1.2 Outdoor Units .........................................................................................10

2. Heat Pump ............................................................................................11

2.1 Indoor Units ............................................................................................11

2.2 Outdoor Units .........................................................................................13

Cooling Only SiEN12-710A

8Specifications

1. Cooling Only

1.1 Indoor Units

Wall Mounted Type

50Hz 230V

Duct Connected Type

50Hz 230V

Note: 1. The operating sound is based on the rear side suction inlet and the external static pressure 40 Pa.

Operating sound for under side suction inlet: [operating sound for rear side suction inlet]+5 dB.

However, when installation to which the external static pressure becomes low is carried out,

5 dB or more may go up.

Model FTKS25DVM FTKS35DVM

Rated Capacity 2.5kW Class 3.5kW Class

Front Panel Color White White

Air Flow Rates m³/min

(cfm)

H 8.7 (307) 8.9 (314)

M 6.7 (237) 6.9 (242)

L 4.7 (166) 4.8 (169)

SL 3.9 (138) 4.0 (141)

Fan

Type Cross Flow Fan Cross Flow Fan

Motor Output W 40 40

Speed Steps 5 Steps, Quiet, Auto 5 Steps, Quiet, Auto

Air Direction Control Right, Left, Horizontal, Downward Right, Left, Horizontal, Downward

Air Filter Removable-Washable-Mildew Proof Removable-Washable-Mildew Proof

Running Current (Rated) A 0.16 0.18

Power Consumption (Rated) W 35 40

Power Factor % 95.1 96.6

Temperature Control Microcomputer Control Microcomputer Control

Dimensions (H×W×D) mm 283×800×195 283×800×195

Packaged Dimensions (H×W×D) mm 265×855×340 265×855×340

Weight kg 9 9

Gross Weight kg 12 12

Operation

Sound H/L/SL dBA 37/25/22 39/26/23

Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes

Piping Connection

Liquid mm φ 6.4 φ 6.4

Gas mm φ 9.5 φ 9.5

Drain mm φ18.0 φ18.0

Drawing No. 3D049321 3D049322

Model FDKS25CAVMB FDKS35CAVMB

Rated Capacity 2.5kW Class 3.5kW Class

Front Panel Color ——

Air Flow Rates m³/min

(cfm)

H 9.5 (335) 10.0 (353)

M 8.8 (311) 9.3 (328)

L 8.0 (282) 8.5 (300)

SL 6.7 (237) 7.0 (247)

Fan

Type Sirocco Fan Sirocco Fan

Motor Output W 62 62

Speed Steps 5 Steps, Quiet, Auto 5 Steps, Quiet, Auto

Air Filter Removable-Washable-Mildew Proof Removable-Washable-Mildew Proof

Running Current (Rated) A 0.47 0.47

Power Consumption (Rated) W 100 100

Power Factor % 92.5 92.5

Temperature Control Microcomputer Control Microcomputer Control

Dimensions (H×W×D) mm 200×900×620 200×900×620

Packaged Dimensions (H×W×D) mm 266×1,106×751 266×1,106×751

Weight kg 25 25

Gross Weight kg 31 31

Operation

Sound H/M/L/SL dBA 35/33/31/29 35/33/31/29

External Static Pressure Pa 40 40

Moisture Removal L/h 1.2 1.9

Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes

Piping Connection

Liquid mm φ 6.4 φ 6.4

Gas mm φ 9.5 φ 9.5

Drain mm VP20 (O.D. φ26 / I.D. φ20) VP20 (O.D. φ26 / I.D. φ20)

Drawing No. 3D048947C 3D048948C

Conversion Formulae

kcal/h=kW×860

Btu/h=kW×3414

cfm=m³/min×35.3

SiEN12-710A Cooling Only

Specifications 9

50Hz 230V

Note: 1. The operating sound is based on the rear side suction inlet and the external static pressure 30 Pa.

Operating sound for under side suction inlet: [operating sound for rear side suction inlet]+6 dB.

However, when installation to which the external static pressure becomes low is carried out,

6 dB or more may go up.

Model FDKS25EAVMB FDKS35EAVMB

Rated Capacity 2.5kW Class 3.5kW Class

Front Panel Color ——

Air Flow Rates m³/min

(cfm)

H 8.7 (307) 8.7 (307)

M 8.0 (282) 8.0 (282)

L 7.3 (258) 7.3 (258)

SL 6.2 (219) 6.2 (219)

Fan

Type Sirocco Fan Sirocco Fan

Motor Output W 62 62

Speed Steps 5 Steps, Quiet, Auto 5 Steps, Quiet, Auto

Air Filter Removable-Washable-Mildew Proof Removable-Washable-Mildew Proof

Running Current (Rated) A 0.48 0.48

Power Consumption (Rated) W 71 71

Power Factor % 64.3 64.3

Temperature Control Microcomputer Control Microcomputer Control

Dimensions (H×W×D) mm 200×700×620 200×700×620

Packaged Dimensions (H×W×D) mm 274×906×751 274×906×751

Weight kg 21 21

Gross Weight kg 29 29

Operation

Sound H/M/L/SL dBA 35/33/31/29 35/33/31/29

External Static Pressure Pa 30 30

Moisture Removal L/h 1.2 1.9

Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes

Piping Connection

Liquid mm φ 6.4 φ 6.4

Gas mm φ 9.5 φ 9.5

Drain mm VP20 (O.D.φ 26 / I.D.φ 20) VP20 (O.D.φ 26 / I.D.φ 20)

Drawing No. 3D051882A 3D051884A

Conversion Formulae

kcal/h=kW×860

Btu/h=kW×3414

cfm=m³/min×35.3

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Daikin F-Series User manual

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